Home / 151,330.07-208,836.83-83,349.40

Finding the Fourth Proportional to 151,330.07, 208,836.83 and 83,349.40

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Solution

The fourth proportional to 151,330.07, 208,836.83 and 83,349.40 is: 115,022.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,330.07 : 208,836.83 = 83,349.40 : x
  2. Step 2: Convert to fraction form
    151,330.07/208,836.83 = 83,349.40/x
  3. Step 3: Cross multiply
    151,330.07x = 208,836.83 × 83,349.40
  4. Step 4: Simplify right side
    151,330.07x = 17,406,424,478.40
  5. Step 5: Solve for x
    x = 17,406,424,478.40/151,330.07
  6. Step 6: Final answer
    x = 115,022.91

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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.