Home / 317,275.12-437,853.40-189,926.08

Finding the Fourth Proportional to 317,275.12, 437,853.40 and 189,926.08

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Solution

The fourth proportional to 317,275.12, 437,853.40 and 189,926.08 is: 262,106.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,275.12 : 437,853.40 = 189,926.08 : x
  2. Step 2: Convert to fraction form
    317,275.12/437,853.40 = 189,926.08/x
  3. Step 3: Cross multiply
    317,275.12x = 437,853.40 × 189,926.08
  4. Step 4: Simplify right side
    317,275.12x = 83,159,779,876.67
  5. Step 5: Solve for x
    x = 83,159,779,876.67/317,275.12
  6. Step 6: Final answer
    x = 262,106.21

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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.