Home / 315,729.18-473,600.25-105,368.94

Finding the Fourth Proportional to 315,729.18, 473,600.25 and 105,368.94

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Solution

The fourth proportional to 315,729.18, 473,600.25 and 105,368.94 is: 158,055.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,729.18 : 473,600.25 = 105,368.94 : x
  2. Step 2: Convert to fraction form
    315,729.18/473,600.25 = 105,368.94/x
  3. Step 3: Cross multiply
    315,729.18x = 473,600.25 × 105,368.94
  4. Step 4: Simplify right side
    315,729.18x = 49,902,756,326.24
  5. Step 5: Solve for x
    x = 49,902,756,326.24/315,729.18
  6. Step 6: Final answer
    x = 158,055.57

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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.