Home / 228,140.15-342,096.02-70,348.10

Finding the Fourth Proportional to 228,140.15, 342,096.02 and 70,348.10

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Solution

The fourth proportional to 228,140.15, 342,096.02 and 70,348.10 is: 105,486.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,140.15 : 342,096.02 = 70,348.10 : x
  2. Step 2: Convert to fraction form
    228,140.15/342,096.02 = 70,348.10/x
  3. Step 3: Cross multiply
    228,140.15x = 342,096.02 × 70,348.10
  4. Step 4: Simplify right side
    228,140.15x = 24,065,804,672.82
  5. Step 5: Solve for x
    x = 24,065,804,672.82/228,140.15
  6. Step 6: Final answer
    x = 105,486.93

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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.