Home / 180,548.09-249,153.32-99,973.88

Finding the Fourth Proportional to 180,548.09, 249,153.32 and 99,973.88

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Solution

The fourth proportional to 180,548.09, 249,153.32 and 99,973.88 is: 137,962.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,548.09 : 249,153.32 = 99,973.88 : x
  2. Step 2: Convert to fraction form
    180,548.09/249,153.32 = 99,973.88/x
  3. Step 3: Cross multiply
    180,548.09x = 249,153.32 × 99,973.88
  4. Step 4: Simplify right side
    180,548.09x = 24,908,822,369.65
  5. Step 5: Solve for x
    x = 24,908,822,369.65/180,548.09
  6. Step 6: Final answer
    x = 137,962.26

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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.