Home / 145,074.71-216,551.01-134,389.37

Finding the Fourth Proportional to 145,074.71, 216,551.01 and 134,389.37

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Solution

The fourth proportional to 145,074.71, 216,551.01 and 134,389.37 is: 200,601.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,074.71 : 216,551.01 = 134,389.37 : x
  2. Step 2: Convert to fraction form
    145,074.71/216,551.01 = 134,389.37/x
  3. Step 3: Cross multiply
    145,074.71x = 216,551.01 × 134,389.37
  4. Step 4: Simplify right side
    145,074.71x = 29,102,153,806.76
  5. Step 5: Solve for x
    x = 29,102,153,806.76/145,074.71
  6. Step 6: Final answer
    x = 200,601.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.