Home / 373,300.08-515,141.28-212,152.32

Finding the Fourth Proportional to 373,300.08, 515,141.28 and 212,152.32

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Solution

The fourth proportional to 373,300.08, 515,141.28 and 212,152.32 is: 292,762.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,300.08 : 515,141.28 = 212,152.32 : x
  2. Step 2: Convert to fraction form
    373,300.08/515,141.28 = 212,152.32/x
  3. Step 3: Cross multiply
    373,300.08x = 515,141.28 × 212,152.32
  4. Step 4: Simplify right side
    373,300.08x = 109,288,417,679.77
  5. Step 5: Solve for x
    x = 109,288,417,679.77/373,300.08
  6. Step 6: Final answer
    x = 292,762.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.