Home / 113,526.75-156,671.78-63,225.75

Finding the Fourth Proportional to 113,526.75, 156,671.78 and 63,225.75

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Solution

The fourth proportional to 113,526.75, 156,671.78 and 63,225.75 is: 87,254.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,526.75 : 156,671.78 = 63,225.75 : x
  2. Step 2: Convert to fraction form
    113,526.75/156,671.78 = 63,225.75/x
  3. Step 3: Cross multiply
    113,526.75x = 156,671.78 × 63,225.75
  4. Step 4: Simplify right side
    113,526.75x = 9,905,690,478.21
  5. Step 5: Solve for x
    x = 9,905,690,478.21/113,526.75
  6. Step 6: Final answer
    x = 87,254.24

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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.