Home / 177,763.16-245,315.49-97,190.78

Finding the Fourth Proportional to 177,763.16, 245,315.49 and 97,190.78

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Solution

The fourth proportional to 177,763.16, 245,315.49 and 97,190.78 is: 134,124.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,763.16 : 245,315.49 = 97,190.78 : x
  2. Step 2: Convert to fraction form
    177,763.16/245,315.49 = 97,190.78/x
  3. Step 3: Cross multiply
    177,763.16x = 245,315.49 × 97,190.78
  4. Step 4: Simplify right side
    177,763.16x = 23,842,402,962.92
  5. Step 5: Solve for x
    x = 23,842,402,962.92/177,763.16
  6. Step 6: Final answer
    x = 134,124.55

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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.