Home / 102,301.16-153,453.38-31,225.32

Finding the Fourth Proportional to 102,301.16, 153,453.38 and 31,225.32

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Solution

The fourth proportional to 102,301.16, 153,453.38 and 31,225.32 is: 46,838.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,301.16 : 153,453.38 = 31,225.32 : x
  2. Step 2: Convert to fraction form
    102,301.16/153,453.38 = 31,225.32/x
  3. Step 3: Cross multiply
    102,301.16x = 153,453.38 × 31,225.32
  4. Step 4: Simplify right side
    102,301.16x = 4,791,630,895.58
  5. Step 5: Solve for x
    x = 4,791,630,895.58/102,301.16
  6. Step 6: Final answer
    x = 46,838.48

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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.