Home / 177,984.95-245,619-100,476.89

Finding the Fourth Proportional to 177,984.95, 245,619 and 100,476.89

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Solution

The fourth proportional to 177,984.95, 245,619 and 100,476.89 is: 138,657.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,984.95 : 245,619 = 100,476.89 : x
  2. Step 2: Convert to fraction form
    177,984.95/245,619 = 100,476.89/x
  3. Step 3: Cross multiply
    177,984.95x = 245,619 × 100,476.89
  4. Step 4: Simplify right side
    177,984.95x = 24,679,032,937.89
  5. Step 5: Solve for x
    x = 24,679,032,937.89/177,984.95
  6. Step 6: Final answer
    x = 138,657.98

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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.