Home / 128,151.65-176,854.28-70,793.93

Finding the Fourth Proportional to 128,151.65, 176,854.28 and 70,793.93

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Solution

The fourth proportional to 128,151.65, 176,854.28 and 70,793.93 is: 97,698.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,151.65 : 176,854.28 = 70,793.93 : x
  2. Step 2: Convert to fraction form
    128,151.65/176,854.28 = 70,793.93/x
  3. Step 3: Cross multiply
    128,151.65x = 176,854.28 × 70,793.93
  4. Step 4: Simplify right side
    128,151.65x = 12,520,208,280.28
  5. Step 5: Solve for x
    x = 12,520,208,280.28/128,151.65
  6. Step 6: Final answer
    x = 97,698.38

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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.