Home / 177,918.35-266,877.69-72,737.32

Finding the Fourth Proportional to 177,918.35, 266,877.69 and 72,737.32

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Solution

The fourth proportional to 177,918.35, 266,877.69 and 72,737.32 is: 109,106.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,918.35 : 266,877.69 = 72,737.32 : x
  2. Step 2: Convert to fraction form
    177,918.35/266,877.69 = 72,737.32/x
  3. Step 3: Cross multiply
    177,918.35x = 266,877.69 × 72,737.32
  4. Step 4: Simplify right side
    177,918.35x = 19,411,967,938.39
  5. Step 5: Solve for x
    x = 19,411,967,938.39/177,918.35
  6. Step 6: Final answer
    x = 109,106.05

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1.5x scale

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.