Home / 157,619.40-236,429.10-155,027.40

Finding the Fourth Proportional to 157,619.40, 236,429.10 and 155,027.40

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Solution

The fourth proportional to 157,619.40, 236,429.10 and 155,027.40 is: 232,541.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,619.40 : 236,429.10 = 155,027.40 : x
  2. Step 2: Convert to fraction form
    157,619.40/236,429.10 = 155,027.40/x
  3. Step 3: Cross multiply
    157,619.40x = 236,429.10 × 155,027.40
  4. Step 4: Simplify right side
    157,619.40x = 36,652,988,657.34
  5. Step 5: Solve for x
    x = 36,652,988,657.34/157,619.40
  6. Step 6: Final answer
    x = 232,541.10

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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.