Home / 180,630.65-249,277.31-100,056.55

Finding the Fourth Proportional to 180,630.65, 249,277.31 and 100,056.55

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Solution

The fourth proportional to 180,630.65, 249,277.31 and 100,056.55 is: 138,081.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,630.65 : 249,277.31 = 100,056.55 : x
  2. Step 2: Convert to fraction form
    180,630.65/249,277.31 = 100,056.55/x
  3. Step 3: Cross multiply
    180,630.65x = 249,277.31 × 100,056.55
  4. Step 4: Simplify right side
    180,630.65x = 24,941,827,631.88
  5. Step 5: Solve for x
    x = 24,941,827,631.88/180,630.65
  6. Step 6: Final answer
    x = 138,081.92

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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.