Home / 316,540.40-436,785.08-180,566.24

Finding the Fourth Proportional to 316,540.40, 436,785.08 and 180,566.24

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Solution

The fourth proportional to 316,540.40, 436,785.08 and 180,566.24 is: 249,158.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,540.40 : 436,785.08 = 180,566.24 : x
  2. Step 2: Convert to fraction form
    316,540.40/436,785.08 = 180,566.24/x
  3. Step 3: Cross multiply
    316,540.40x = 436,785.08 × 180,566.24
  4. Step 4: Simplify right side
    316,540.40x = 78,868,638,106.28
  5. Step 5: Solve for x
    x = 78,868,638,106.28/316,540.40
  6. Step 6: Final answer
    x = 249,158.21

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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.