Home / 228,158.32-342,276.40-70,357.36

Finding the Fourth Proportional to 228,158.32, 342,276.40 and 70,357.36

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Solution

The fourth proportional to 228,158.32, 342,276.40 and 70,357.36 is: 105,548.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,158.32 : 342,276.40 = 70,357.36 : x
  2. Step 2: Convert to fraction form
    228,158.32/342,276.40 = 70,357.36/x
  3. Step 3: Cross multiply
    228,158.32x = 342,276.40 × 70,357.36
  4. Step 4: Simplify right side
    228,158.32x = 24,081,663,894.30
  5. Step 5: Solve for x
    x = 24,081,663,894.30/228,158.32
  6. Step 6: Final answer
    x = 105,548.04

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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.