Home / 234,118.64-323,117.56-153,666.20

Finding the Fourth Proportional to 234,118.64, 323,117.56 and 153,666.20

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Solution

The fourth proportional to 234,118.64, 323,117.56 and 153,666.20 is: 212,081.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,118.64 : 323,117.56 = 153,666.20 : x
  2. Step 2: Convert to fraction form
    234,118.64/323,117.56 = 153,666.20/x
  3. Step 3: Cross multiply
    234,118.64x = 323,117.56 × 153,666.20
  4. Step 4: Simplify right side
    234,118.64x = 49,652,247,598.47
  5. Step 5: Solve for x
    x = 49,652,247,598.47/234,118.64
  6. Step 6: Final answer
    x = 212,081.57

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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.