Home / 180,948.08-249,718.20-117,340.40

Finding the Fourth Proportional to 180,948.08, 249,718.20 and 117,340.40

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Solution

The fourth proportional to 180,948.08, 249,718.20 and 117,340.40 is: 161,936.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,948.08 : 249,718.20 = 117,340.40 : x
  2. Step 2: Convert to fraction form
    180,948.08/249,718.20 = 117,340.40/x
  3. Step 3: Cross multiply
    180,948.08x = 249,718.20 × 117,340.40
  4. Step 4: Simplify right side
    180,948.08x = 29,302,033,475.28
  5. Step 5: Solve for x
    x = 29,302,033,475.28/180,948.08
  6. Step 6: Final answer
    x = 161,936.14

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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.