Home / 151,948.68-209,688.66-83,963.76

Finding the Fourth Proportional to 151,948.68, 209,688.66 and 83,963.76

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Solution

The fourth proportional to 151,948.68, 209,688.66 and 83,963.76 is: 115,869.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,948.68 : 209,688.66 = 83,963.76 : x
  2. Step 2: Convert to fraction form
    151,948.68/209,688.66 = 83,963.76/x
  3. Step 3: Cross multiply
    151,948.68x = 209,688.66 × 83,963.76
  4. Step 4: Simplify right side
    151,948.68x = 17,606,248,322.96
  5. Step 5: Solve for x
    x = 17,606,248,322.96/151,948.68
  6. Step 6: Final answer
    x = 115,869.70

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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.