Home / 180,883.02-249,634.35-105,429.90

Finding the Fourth Proportional to 180,883.02, 249,634.35 and 105,429.90

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Solution

The fourth proportional to 180,883.02, 249,634.35 and 105,429.90 is: 145,502.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,883.02 : 249,634.35 = 105,429.90 : x
  2. Step 2: Convert to fraction form
    180,883.02/249,634.35 = 105,429.90/x
  3. Step 3: Cross multiply
    180,883.02x = 249,634.35 × 105,429.90
  4. Step 4: Simplify right side
    180,883.02x = 26,318,924,557.07
  5. Step 5: Solve for x
    x = 26,318,924,557.07/180,883.02
  6. Step 6: Final answer
    x = 145,502.46

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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.