Home / 151,424.74-208,957.51-86,880.29

Finding the Fourth Proportional to 151,424.74, 208,957.51 and 86,880.29

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Solution

The fourth proportional to 151,424.74, 208,957.51 and 86,880.29 is: 119,889.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,424.74 : 208,957.51 = 86,880.29 : x
  2. Step 2: Convert to fraction form
    151,424.74/208,957.51 = 86,880.29/x
  3. Step 3: Cross multiply
    151,424.74x = 208,957.51 × 86,880.29
  4. Step 4: Simplify right side
    151,424.74x = 18,154,289,371.67
  5. Step 5: Solve for x
    x = 18,154,289,371.67/151,424.74
  6. Step 6: Final answer
    x = 119,889.85

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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.