Home / 147,341.70-203,355.93-86,927.13

Finding the Fourth Proportional to 147,341.70, 203,355.93 and 86,927.13

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Solution

The fourth proportional to 147,341.70, 203,355.93 and 86,927.13 is: 119,973.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,341.70 : 203,355.93 = 86,927.13 : x
  2. Step 2: Convert to fraction form
    147,341.70/203,355.93 = 86,927.13/x
  3. Step 3: Cross multiply
    147,341.70x = 203,355.93 × 86,927.13
  4. Step 4: Simplify right side
    147,341.70x = 17,677,147,363.38
  5. Step 5: Solve for x
    x = 17,677,147,363.38/147,341.70
  6. Step 6: Final answer
    x = 119,973.83

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1.5x scale

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.