Home / 140,248.26-193,543.02-76,586.31

Finding the Fourth Proportional to 140,248.26, 193,543.02 and 76,586.31

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Solution

The fourth proportional to 140,248.26, 193,543.02 and 76,586.31 is: 105,689.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,248.26 : 193,543.02 = 76,586.31 : x
  2. Step 2: Convert to fraction form
    140,248.26/193,543.02 = 76,586.31/x
  3. Step 3: Cross multiply
    140,248.26x = 193,543.02 × 76,586.31
  4. Step 4: Simplify right side
    140,248.26x = 14,822,745,728.06
  5. Step 5: Solve for x
    x = 14,822,745,728.06/140,248.26
  6. Step 6: Final answer
    x = 105,689.34

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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.