Home / 141,551.64-212,356.62-118,340.28

Finding the Fourth Proportional to 141,551.64, 212,356.62 and 118,340.28

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Solution

The fourth proportional to 141,551.64, 212,356.62 and 118,340.28 is: 177,534.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,551.64 : 212,356.62 = 118,340.28 : x
  2. Step 2: Convert to fraction form
    141,551.64/212,356.62 = 118,340.28/x
  3. Step 3: Cross multiply
    141,551.64x = 212,356.62 × 118,340.28
  4. Step 4: Simplify right side
    141,551.64x = 25,130,341,870.65
  5. Step 5: Solve for x
    x = 25,130,341,870.65/141,551.64
  6. Step 6: Final answer
    x = 177,534.80

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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.