Home / 113,117.18-156,108.93-62,816.18

Finding the Fourth Proportional to 113,117.18, 156,108.93 and 62,816.18

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Solution

The fourth proportional to 113,117.18, 156,108.93 and 62,816.18 is: 86,690.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,117.18 : 156,108.93 = 62,816.18 : x
  2. Step 2: Convert to fraction form
    113,117.18/156,108.93 = 62,816.18/x
  3. Step 3: Cross multiply
    113,117.18x = 156,108.93 × 62,816.18
  4. Step 4: Simplify right side
    113,117.18x = 9,806,166,646.49
  5. Step 5: Solve for x
    x = 9,806,166,646.49/113,117.18
  6. Step 6: Final answer
    x = 86,690.34

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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.