Home / 163,001.12-224,941.38-91,381.16

Finding the Fourth Proportional to 163,001.12, 224,941.38 and 91,381.16

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Solution

The fourth proportional to 163,001.12, 224,941.38 and 91,381.16 is: 126,105.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,001.12 : 224,941.38 = 91,381.16 : x
  2. Step 2: Convert to fraction form
    163,001.12/224,941.38 = 91,381.16/x
  3. Step 3: Cross multiply
    163,001.12x = 224,941.38 × 91,381.16
  4. Step 4: Simplify right side
    163,001.12x = 20,555,403,111.69
  5. Step 5: Solve for x
    x = 20,555,403,111.69/163,001.12
  6. Step 6: Final answer
    x = 126,105.90

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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.