Home / 113,864.18-157,132.59-63,563.18

Finding the Fourth Proportional to 113,864.18, 157,132.59 and 63,563.18

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Solution

The fourth proportional to 113,864.18, 157,132.59 and 63,563.18 is: 87,717.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,864.18 : 157,132.59 = 63,563.18 : x
  2. Step 2: Convert to fraction form
    113,864.18/157,132.59 = 63,563.18/x
  3. Step 3: Cross multiply
    113,864.18x = 157,132.59 × 63,563.18
  4. Step 4: Simplify right side
    113,864.18x = 9,987,847,102.04
  5. Step 5: Solve for x
    x = 9,987,847,102.04/113,864.18
  6. Step 6: Final answer
    x = 87,717.20

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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.