Home / 156,986.08-235,476.96-38,658.40

Finding the Fourth Proportional to 156,986.08, 235,476.96 and 38,658.40

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Solution

The fourth proportional to 156,986.08, 235,476.96 and 38,658.40 is: 57,987.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,986.08 : 235,476.96 = 38,658.40 : x
  2. Step 2: Convert to fraction form
    156,986.08/235,476.96 = 38,658.40/x
  3. Step 3: Cross multiply
    156,986.08x = 235,476.96 × 38,658.40
  4. Step 4: Simplify right side
    156,986.08x = 9,103,162,510.46
  5. Step 5: Solve for x
    x = 9,103,162,510.46/156,986.08
  6. Step 6: Final answer
    x = 57,987.07

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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.