Home / 181,776.80-272,438.40-93,065.60

Finding the Fourth Proportional to 181,776.80, 272,438.40 and 93,065.60

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Solution

The fourth proportional to 181,776.80, 272,438.40 and 93,065.60 is: 139,482.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,776.80 : 272,438.40 = 93,065.60 : x
  2. Step 2: Convert to fraction form
    181,776.80/272,438.40 = 93,065.60/x
  3. Step 3: Cross multiply
    181,776.80x = 272,438.40 × 93,065.60
  4. Step 4: Simplify right side
    181,776.80x = 25,354,643,159.04
  5. Step 5: Solve for x
    x = 25,354,643,159.04/181,776.80
  6. Step 6: Final answer
    x = 139,482.28

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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.