Home / 280,033.86-386,412.36-171,192.96

Finding the Fourth Proportional to 280,033.86, 386,412.36 and 171,192.96

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Solution

The fourth proportional to 280,033.86, 386,412.36 and 171,192.96 is: 236,225.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,033.86 : 386,412.36 = 171,192.96 : x
  2. Step 2: Convert to fraction form
    280,033.86/386,412.36 = 171,192.96/x
  3. Step 3: Cross multiply
    280,033.86x = 386,412.36 × 171,192.96
  4. Step 4: Simplify right side
    280,033.86x = 66,151,075,688.99
  5. Step 5: Solve for x
    x = 66,151,075,688.99/280,033.86
  6. Step 6: Final answer
    x = 236,225.28

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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.