Home / 142,587.23-213,869.70-37,403.46

Finding the Fourth Proportional to 142,587.23, 213,869.70 and 37,403.46

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Solution

The fourth proportional to 142,587.23, 213,869.70 and 37,403.46 is: 56,102.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,587.23 : 213,869.70 = 37,403.46 : x
  2. Step 2: Convert to fraction form
    142,587.23/213,869.70 = 37,403.46/x
  3. Step 3: Cross multiply
    142,587.23x = 213,869.70 × 37,403.46
  4. Step 4: Simplify right side
    142,587.23x = 7,999,466,769.16
  5. Step 5: Solve for x
    x = 7,999,466,769.16/142,587.23
  6. Step 6: Final answer
    x = 56,102.27

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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.