Home / 210,186.16-315,275.92-97,803.52

Finding the Fourth Proportional to 210,186.16, 315,275.92 and 97,803.52

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Solution

The fourth proportional to 210,186.16, 315,275.92 and 97,803.52 is: 146,703.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,186.16 : 315,275.92 = 97,803.52 : x
  2. Step 2: Convert to fraction form
    210,186.16/315,275.92 = 97,803.52/x
  3. Step 3: Cross multiply
    210,186.16x = 315,275.92 × 97,803.52
  4. Step 4: Simplify right side
    210,186.16x = 30,835,094,747.24
  5. Step 5: Solve for x
    x = 30,835,094,747.24/210,186.16
  6. Step 6: Final answer
    x = 146,703.74

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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.