Home / 151,333.65-208,837.98-83,357.10

Finding the Fourth Proportional to 151,333.65, 208,837.98 and 83,357.10

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Solution

The fourth proportional to 151,333.65, 208,837.98 and 83,357.10 is: 115,031.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,333.65 : 208,837.98 = 83,357.10 : x
  2. Step 2: Convert to fraction form
    151,333.65/208,837.98 = 83,357.10/x
  3. Step 3: Cross multiply
    151,333.65x = 208,837.98 × 83,357.10
  4. Step 4: Simplify right side
    151,333.65x = 17,408,128,382.66
  5. Step 5: Solve for x
    x = 17,408,128,382.66/151,333.65
  6. Step 6: Final answer
    x = 115,031.44

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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.