Home / 147,269.46-203,239.98-86,875.50

Finding the Fourth Proportional to 147,269.46, 203,239.98 and 86,875.50

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Solution

The fourth proportional to 147,269.46, 203,239.98 and 86,875.50 is: 119,892.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,269.46 : 203,239.98 = 86,875.50 : x
  2. Step 2: Convert to fraction form
    147,269.46/203,239.98 = 86,875.50/x
  3. Step 3: Cross multiply
    147,269.46x = 203,239.98 × 86,875.50
  4. Step 4: Simplify right side
    147,269.46x = 17,656,574,882.49
  5. Step 5: Solve for x
    x = 17,656,574,882.49/147,269.46
  6. Step 6: Final answer
    x = 119,892.98

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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.