Home / 113,632.48-156,813.60-63,334.72

Finding the Fourth Proportional to 113,632.48, 156,813.60 and 63,334.72

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Solution

The fourth proportional to 113,632.48, 156,813.60 and 63,334.72 is: 87,402.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,632.48 : 156,813.60 = 63,334.72 : x
  2. Step 2: Convert to fraction form
    113,632.48/156,813.60 = 63,334.72/x
  3. Step 3: Cross multiply
    113,632.48x = 156,813.60 × 63,334.72
  4. Step 4: Simplify right side
    113,632.48x = 9,931,745,448.19
  5. Step 5: Solve for x
    x = 9,931,745,448.19/113,632.48
  6. Step 6: Final answer
    x = 87,402.35

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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.