Home / 151,378.80-208,887.06-93,226.33

Finding the Fourth Proportional to 151,378.80, 208,887.06 and 93,226.33

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Solution

The fourth proportional to 151,378.80, 208,887.06 and 93,226.33 is: 128,642.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,378.80 : 208,887.06 = 93,226.33 : x
  2. Step 2: Convert to fraction form
    151,378.80/208,887.06 = 93,226.33/x
  3. Step 3: Cross multiply
    151,378.80x = 208,887.06 × 93,226.33
  4. Step 4: Simplify right side
    151,378.80x = 19,473,773,988.29
  5. Step 5: Solve for x
    x = 19,473,773,988.29/151,378.80
  6. Step 6: Final answer
    x = 128,642.68

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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.