Home / 248,088.08-342,215.36-156,060.64

Finding the Fourth Proportional to 248,088.08, 342,215.36 and 156,060.64

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Solution

The fourth proportional to 248,088.08, 342,215.36 and 156,060.64 is: 215,271.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,088.08 : 342,215.36 = 156,060.64 : x
  2. Step 2: Convert to fraction form
    248,088.08/342,215.36 = 156,060.64/x
  3. Step 3: Cross multiply
    248,088.08x = 342,215.36 × 156,060.64
  4. Step 4: Simplify right side
    248,088.08x = 53,406,348,099.43
  5. Step 5: Solve for x
    x = 53,406,348,099.43/248,088.08
  6. Step 6: Final answer
    x = 215,271.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.