Home / 145,900.26-218,228.30-89,602.02

Finding the Fourth Proportional to 145,900.26, 218,228.30 and 89,602.02

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Solution

The fourth proportional to 145,900.26, 218,228.30 and 89,602.02 is: 134,020.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,900.26 : 218,228.30 = 89,602.02 : x
  2. Step 2: Convert to fraction form
    145,900.26/218,228.30 = 89,602.02/x
  3. Step 3: Cross multiply
    145,900.26x = 218,228.30 × 89,602.02
  4. Step 4: Simplify right side
    145,900.26x = 19,553,696,501.17
  5. Step 5: Solve for x
    x = 19,553,696,501.17/145,900.26
  6. Step 6: Final answer
    x = 134,020.98

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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.