Home / 161,553.47-242,417.70-155,663.15

Finding the Fourth Proportional to 161,553.47, 242,417.70 and 155,663.15

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Solution

The fourth proportional to 161,553.47, 242,417.70 and 155,663.15 is: 233,579.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,553.47 : 242,417.70 = 155,663.15 : x
  2. Step 2: Convert to fraction form
    161,553.47/242,417.70 = 155,663.15/x
  3. Step 3: Cross multiply
    161,553.47x = 242,417.70 × 155,663.15
  4. Step 4: Simplify right side
    161,553.47x = 37,735,502,797.76
  5. Step 5: Solve for x
    x = 37,735,502,797.76/161,553.47
  6. Step 6: Final answer
    x = 233,579.03

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1.5x scale

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.