Home / 113,778.24-157,004.64-63,476.16

Finding the Fourth Proportional to 113,778.24, 157,004.64 and 63,476.16

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Solution

The fourth proportional to 113,778.24, 157,004.64 and 63,476.16 is: 87,591.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,778.24 : 157,004.64 = 63,476.16 : x
  2. Step 2: Convert to fraction form
    113,778.24/157,004.64 = 63,476.16/x
  3. Step 3: Cross multiply
    113,778.24x = 157,004.64 × 63,476.16
  4. Step 4: Simplify right side
    113,778.24x = 9,966,051,649.38
  5. Step 5: Solve for x
    x = 9,966,051,649.38/113,778.24
  6. Step 6: Final answer
    x = 87,591.89

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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.