Home / 124,141.14-171,318.65-70,428.42

Finding the Fourth Proportional to 124,141.14, 171,318.65 and 70,428.42

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Solution

The fourth proportional to 124,141.14, 171,318.65 and 70,428.42 is: 97,193.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,141.14 : 171,318.65 = 70,428.42 : x
  2. Step 2: Convert to fraction form
    124,141.14/171,318.65 = 70,428.42/x
  3. Step 3: Cross multiply
    124,141.14x = 171,318.65 × 70,428.42
  4. Step 4: Simplify right side
    124,141.14x = 12,065,701,483.89
  5. Step 5: Solve for x
    x = 12,065,701,483.89/124,141.14
  6. Step 6: Final answer
    x = 97,193.42

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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.