Home / 180,528.14-249,136.60-99,955.65

Finding the Fourth Proportional to 180,528.14, 249,136.60 and 99,955.65

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Solution

The fourth proportional to 180,528.14, 249,136.60 and 99,955.65 is: 137,943.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,528.14 : 249,136.60 = 99,955.65 : x
  2. Step 2: Convert to fraction form
    180,528.14/249,136.60 = 99,955.65/x
  3. Step 3: Cross multiply
    180,528.14x = 249,136.60 × 99,955.65
  4. Step 4: Simplify right side
    180,528.14x = 24,902,610,791.79
  5. Step 5: Solve for x
    x = 24,902,610,791.79/180,528.14
  6. Step 6: Final answer
    x = 137,943.10

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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.