Home / 156,700.15-235,088.03-51,513.55

Finding the Fourth Proportional to 156,700.15, 235,088.03 and 51,513.55

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Solution

The fourth proportional to 156,700.15, 235,088.03 and 51,513.55 is: 77,282.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,700.15 : 235,088.03 = 51,513.55 : x
  2. Step 2: Convert to fraction form
    156,700.15/235,088.03 = 51,513.55/x
  3. Step 3: Cross multiply
    156,700.15x = 235,088.03 × 51,513.55
  4. Step 4: Simplify right side
    156,700.15x = 12,110,218,987.81
  5. Step 5: Solve for x
    x = 12,110,218,987.81/156,700.15
  6. Step 6: Final answer
    x = 77,282.75

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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.