Home / 410,130.10-615,195.15-230,030.65

Finding the Fourth Proportional to 410,130.10, 615,195.15 and 230,030.65

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Solution

The fourth proportional to 410,130.10, 615,195.15 and 230,030.65 is: 345,045.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,130.10 : 615,195.15 = 230,030.65 : x
  2. Step 2: Convert to fraction form
    410,130.10/615,195.15 = 230,030.65/x
  3. Step 3: Cross multiply
    410,130.10x = 615,195.15 × 230,030.65
  4. Step 4: Simplify right side
    410,130.10x = 141,513,740,231.35
  5. Step 5: Solve for x
    x = 141,513,740,231.35/410,130.10
  6. Step 6: Final answer
    x = 345,045.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.