Home / 157,631.40-236,447.10-46,823.40

Finding the Fourth Proportional to 157,631.40, 236,447.10 and 46,823.40

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Solution

The fourth proportional to 157,631.40, 236,447.10 and 46,823.40 is: 70,235.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,631.40 : 236,447.10 = 46,823.40 : x
  2. Step 2: Convert to fraction form
    157,631.40/236,447.10 = 46,823.40/x
  3. Step 3: Cross multiply
    157,631.40x = 236,447.10 × 46,823.40
  4. Step 4: Simplify right side
    157,631.40x = 11,071,257,142.14
  5. Step 5: Solve for x
    x = 11,071,257,142.14/157,631.40
  6. Step 6: Final answer
    x = 70,235.10

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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.