Home / 180,931.12-249,521.52-112,954.39

Finding the Fourth Proportional to 180,931.12, 249,521.52 and 112,954.39

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Solution

The fourth proportional to 180,931.12, 249,521.52 and 112,954.39 is: 155,775.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,931.12 : 249,521.52 = 112,954.39 : x
  2. Step 2: Convert to fraction form
    180,931.12/249,521.52 = 112,954.39/x
  3. Step 3: Cross multiply
    180,931.12x = 249,521.52 × 112,954.39
  4. Step 4: Simplify right side
    180,931.12x = 28,184,551,083.47
  5. Step 5: Solve for x
    x = 28,184,551,083.47/180,931.12
  6. Step 6: Final answer
    x = 155,775.03

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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.