Home / 230,070.03-317,495.91-128,092.85

Finding the Fourth Proportional to 230,070.03, 317,495.91 and 128,092.85

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Solution

The fourth proportional to 230,070.03, 317,495.91 and 128,092.85 is: 176,767.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,070.03 : 317,495.91 = 128,092.85 : x
  2. Step 2: Convert to fraction form
    230,070.03/317,495.91 = 128,092.85/x
  3. Step 3: Cross multiply
    230,070.03x = 317,495.91 × 128,092.85
  4. Step 4: Simplify right side
    230,070.03x = 40,668,954,387.76
  5. Step 5: Solve for x
    x = 40,668,954,387.76/230,070.03
  6. Step 6: Final answer
    x = 176,767.72

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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.