Home / 151,008.16-208,386.85-83,025.06

Finding the Fourth Proportional to 151,008.16, 208,386.85 and 83,025.06

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Solution

The fourth proportional to 151,008.16, 208,386.85 and 83,025.06 is: 114,572.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,008.16 : 208,386.85 = 83,025.06 : x
  2. Step 2: Convert to fraction form
    151,008.16/208,386.85 = 83,025.06/x
  3. Step 3: Cross multiply
    151,008.16x = 208,386.85 × 83,025.06
  4. Step 4: Simplify right side
    151,008.16x = 17,301,330,309.34
  5. Step 5: Solve for x
    x = 17,301,330,309.34/151,008.16
  6. Step 6: Final answer
    x = 114,572.16

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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.