Home / 316,767.28-437,017.08-180,808.80

Finding the Fourth Proportional to 316,767.28, 437,017.08 and 180,808.80

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Solution

The fourth proportional to 316,767.28, 437,017.08 and 180,808.80 is: 249,446.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,767.28 : 437,017.08 = 180,808.80 : x
  2. Step 2: Convert to fraction form
    316,767.28/437,017.08 = 180,808.80/x
  3. Step 3: Cross multiply
    316,767.28x = 437,017.08 × 180,808.80
  4. Step 4: Simplify right side
    316,767.28x = 79,016,533,814.30
  5. Step 5: Solve for x
    x = 79,016,533,814.30/316,767.28
  6. Step 6: Final answer
    x = 249,446.64

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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.