Home / 228,200.10-342,332.55-70,412.10

Finding the Fourth Proportional to 228,200.10, 342,332.55 and 70,412.10

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Solution

The fourth proportional to 228,200.10, 342,332.55 and 70,412.10 is: 105,628.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,200.10 : 342,332.55 = 70,412.10 : x
  2. Step 2: Convert to fraction form
    228,200.10/342,332.55 = 70,412.10/x
  3. Step 3: Cross multiply
    228,200.10x = 342,332.55 × 70,412.10
  4. Step 4: Simplify right side
    228,200.10x = 24,104,353,743.86
  5. Step 5: Solve for x
    x = 24,104,353,743.86/228,200.10
  6. Step 6: Final answer
    x = 105,628.15

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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.