Home / 124,381.28-171,646.23-70,666.39

Finding the Fourth Proportional to 124,381.28, 171,646.23 and 70,666.39

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Solution

The fourth proportional to 124,381.28, 171,646.23 and 70,666.39 is: 97,519.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,381.28 : 171,646.23 = 70,666.39 : x
  2. Step 2: Convert to fraction form
    124,381.28/171,646.23 = 70,666.39/x
  3. Step 3: Cross multiply
    124,381.28x = 171,646.23 × 70,666.39
  4. Step 4: Simplify right side
    124,381.28x = 12,129,619,431.21
  5. Step 5: Solve for x
    x = 12,129,619,431.21/124,381.28
  6. Step 6: Final answer
    x = 97,519.65

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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.