Home / 216,731.16-299,077.38-119,930.76

Finding the Fourth Proportional to 216,731.16, 299,077.38 and 119,930.76

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Solution

The fourth proportional to 216,731.16, 299,077.38 and 119,930.76 is: 165,498.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,731.16 : 299,077.38 = 119,930.76 : x
  2. Step 2: Convert to fraction form
    216,731.16/299,077.38 = 119,930.76/x
  3. Step 3: Cross multiply
    216,731.16x = 299,077.38 × 119,930.76
  4. Step 4: Simplify right side
    216,731.16x = 35,868,577,482.21
  5. Step 5: Solve for x
    x = 35,868,577,482.21/216,731.16
  6. Step 6: Final answer
    x = 165,498.02

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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.