Home / 156,667.80-235,001.70-51,497.40

Finding the Fourth Proportional to 156,667.80, 235,001.70 and 51,497.40

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Solution

The fourth proportional to 156,667.80, 235,001.70 and 51,497.40 is: 77,246.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,667.80 : 235,001.70 = 51,497.40 : x
  2. Step 2: Convert to fraction form
    156,667.80/235,001.70 = 51,497.40/x
  3. Step 3: Cross multiply
    156,667.80x = 235,001.70 × 51,497.40
  4. Step 4: Simplify right side
    156,667.80x = 12,101,976,545.58
  5. Step 5: Solve for x
    x = 12,101,976,545.58/156,667.80
  6. Step 6: Final answer
    x = 77,246.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.