Home / 212,177.04-318,275.50-70,034.71

Finding the Fourth Proportional to 212,177.04, 318,275.50 and 70,034.71

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Solution

The fourth proportional to 212,177.04, 318,275.50 and 70,034.71 is: 105,055.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,177.04 : 318,275.50 = 70,034.71 : x
  2. Step 2: Convert to fraction form
    212,177.04/318,275.50 = 70,034.71/x
  3. Step 3: Cross multiply
    212,177.04x = 318,275.50 × 70,034.71
  4. Step 4: Simplify right side
    212,177.04x = 22,290,330,751.23
  5. Step 5: Solve for x
    x = 22,290,330,751.23/212,177.04
  6. Step 6: Final answer
    x = 105,055.34

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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.