Home / 180,699.06-249,368.31-105,252.42

Finding the Fourth Proportional to 180,699.06, 249,368.31 and 105,252.42

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Solution

The fourth proportional to 180,699.06, 249,368.31 and 105,252.42 is: 145,250.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,699.06 : 249,368.31 = 105,252.42 : x
  2. Step 2: Convert to fraction form
    180,699.06/249,368.31 = 105,252.42/x
  3. Step 3: Cross multiply
    180,699.06x = 249,368.31 × 105,252.42
  4. Step 4: Simplify right side
    180,699.06x = 26,246,618,098.81
  5. Step 5: Solve for x
    x = 26,246,618,098.81/180,699.06
  6. Step 6: Final answer
    x = 145,250.44

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1.5x scale

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.