Home / 109,567.86-151,155.63-64,222.86

Finding the Fourth Proportional to 109,567.86, 151,155.63 and 64,222.86

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Solution

The fourth proportional to 109,567.86, 151,155.63 and 64,222.86 is: 88,599.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,567.86 : 151,155.63 = 64,222.86 : x
  2. Step 2: Convert to fraction form
    109,567.86/151,155.63 = 64,222.86/x
  3. Step 3: Cross multiply
    109,567.86x = 151,155.63 × 64,222.86
  4. Step 4: Simplify right side
    109,567.86x = 9,707,646,863.70
  5. Step 5: Solve for x
    x = 9,707,646,863.70/109,567.86
  6. Step 6: Final answer
    x = 88,599.40

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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.