Home / 434,925.90-652,461.75-135,336.06

Finding the Fourth Proportional to 434,925.90, 652,461.75 and 135,336.06

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Solution

The fourth proportional to 434,925.90, 652,461.75 and 135,336.06 is: 203,026.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,925.90 : 652,461.75 = 135,336.06 : x
  2. Step 2: Convert to fraction form
    434,925.90/652,461.75 = 135,336.06/x
  3. Step 3: Cross multiply
    434,925.90x = 652,461.75 × 135,336.06
  4. Step 4: Simplify right side
    434,925.90x = 88,301,602,545.71
  5. Step 5: Solve for x
    x = 88,301,602,545.71/434,925.90
  6. Step 6: Final answer
    x = 203,026.77

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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.