Home / 180,946.58-249,716.13-117,338.90

Finding the Fourth Proportional to 180,946.58, 249,716.13 and 117,338.90

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Solution

The fourth proportional to 180,946.58, 249,716.13 and 117,338.90 is: 161,934.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,946.58 : 249,716.13 = 117,338.90 : x
  2. Step 2: Convert to fraction form
    180,946.58/249,716.13 = 117,338.90/x
  3. Step 3: Cross multiply
    180,946.58x = 249,716.13 × 117,338.90
  4. Step 4: Simplify right side
    180,946.58x = 29,301,416,006.46
  5. Step 5: Solve for x
    x = 29,301,416,006.46/180,946.58
  6. Step 6: Final answer
    x = 161,934.07

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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.