Home / 124,281.18-171,512.28-70,564.38

Finding the Fourth Proportional to 124,281.18, 171,512.28 and 70,564.38

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Solution

The fourth proportional to 124,281.18, 171,512.28 and 70,564.38 is: 97,381.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,281.18 : 171,512.28 = 70,564.38 : x
  2. Step 2: Convert to fraction form
    124,281.18/171,512.28 = 70,564.38/x
  3. Step 3: Cross multiply
    124,281.18x = 171,512.28 × 70,564.38
  4. Step 4: Simplify right side
    124,281.18x = 12,102,657,700.59
  5. Step 5: Solve for x
    x = 12,102,657,700.59/124,281.18
  6. Step 6: Final answer
    x = 97,381.26

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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.