Home / 170,380.81-235,127.10-93,902.70

Finding the Fourth Proportional to 170,380.81, 235,127.10 and 93,902.70

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Solution

The fourth proportional to 170,380.81, 235,127.10 and 93,902.70 is: 129,586.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,380.81 : 235,127.10 = 93,902.70 : x
  2. Step 2: Convert to fraction form
    170,380.81/235,127.10 = 93,902.70/x
  3. Step 3: Cross multiply
    170,380.81x = 235,127.10 × 93,902.70
  4. Step 4: Simplify right side
    170,380.81x = 22,079,069,533.17
  5. Step 5: Solve for x
    x = 22,079,069,533.17/170,380.81
  6. Step 6: Final answer
    x = 129,586.60

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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.