Home / 315,742.02-473,675.30-102,470.16

Finding the Fourth Proportional to 315,742.02, 473,675.30 and 102,470.16

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Solution

The fourth proportional to 315,742.02, 473,675.30 and 102,470.16 is: 153,725.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,742.02 : 473,675.30 = 102,470.16 : x
  2. Step 2: Convert to fraction form
    315,742.02/473,675.30 = 102,470.16/x
  3. Step 3: Cross multiply
    315,742.02x = 473,675.30 × 102,470.16
  4. Step 4: Simplify right side
    315,742.02x = 48,537,583,266.70
  5. Step 5: Solve for x
    x = 48,537,583,266.70/315,742.02
  6. Step 6: Final answer
    x = 153,725.45

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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.