Home / 216,547.42-324,740.25-74,352.34

Finding the Fourth Proportional to 216,547.42, 324,740.25 and 74,352.34

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Solution

The fourth proportional to 216,547.42, 324,740.25 and 74,352.34 is: 111,500.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,547.42 : 324,740.25 = 74,352.34 : x
  2. Step 2: Convert to fraction form
    216,547.42/324,740.25 = 74,352.34/x
  3. Step 3: Cross multiply
    216,547.42x = 324,740.25 × 74,352.34
  4. Step 4: Simplify right side
    216,547.42x = 24,145,197,479.69
  5. Step 5: Solve for x
    x = 24,145,197,479.69/216,547.42
  6. Step 6: Final answer
    x = 111,500.74

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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.