Home / 142,526.39-213,729.44-42,700.77

Finding the Fourth Proportional to 142,526.39, 213,729.44 and 42,700.77

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Solution

The fourth proportional to 142,526.39, 213,729.44 and 42,700.77 is: 64,033.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,526.39 : 213,729.44 = 42,700.77 : x
  2. Step 2: Convert to fraction form
    142,526.39/213,729.44 = 42,700.77/x
  3. Step 3: Cross multiply
    142,526.39x = 213,729.44 × 42,700.77
  4. Step 4: Simplify right side
    142,526.39x = 9,126,411,446.16
  5. Step 5: Solve for x
    x = 9,126,411,446.16/142,526.39
  6. Step 6: Final answer
    x = 64,033.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.