Home / 316,566.46-436,903.40-180,569.23

Finding the Fourth Proportional to 316,566.46, 436,903.40 and 180,569.23

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Solution

The fourth proportional to 316,566.46, 436,903.40 and 180,569.23 is: 249,209.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,566.46 : 436,903.40 = 180,569.23 : x
  2. Step 2: Convert to fraction form
    316,566.46/436,903.40 = 180,569.23/x
  3. Step 3: Cross multiply
    316,566.46x = 436,903.40 × 180,569.23
  4. Step 4: Simplify right side
    316,566.46x = 78,891,307,435.02
  5. Step 5: Solve for x
    x = 78,891,307,435.02/316,566.46
  6. Step 6: Final answer
    x = 249,209.31

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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.