Home / 142,210.59-213,347.62-53,464.86

Finding the Fourth Proportional to 142,210.59, 213,347.62 and 53,464.86

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Solution

The fourth proportional to 142,210.59, 213,347.62 and 53,464.86 is: 80,209.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,210.59 : 213,347.62 = 53,464.86 : x
  2. Step 2: Convert to fraction form
    142,210.59/213,347.62 = 53,464.86/x
  3. Step 3: Cross multiply
    142,210.59x = 213,347.62 × 53,464.86
  4. Step 4: Simplify right side
    142,210.59x = 11,406,600,701.46
  5. Step 5: Solve for x
    x = 11,406,600,701.46/142,210.59
  6. Step 6: Final answer
    x = 80,209.22

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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.