Home / 157,623.40-236,435.10-46,815.40

Finding the Fourth Proportional to 157,623.40, 236,435.10 and 46,815.40

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Solution

The fourth proportional to 157,623.40, 236,435.10 and 46,815.40 is: 70,223.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,623.40 : 236,435.10 = 46,815.40 : x
  2. Step 2: Convert to fraction form
    157,623.40/236,435.10 = 46,815.40/x
  3. Step 3: Cross multiply
    157,623.40x = 236,435.10 × 46,815.40
  4. Step 4: Simplify right side
    157,623.40x = 11,068,803,780.54
  5. Step 5: Solve for x
    x = 11,068,803,780.54/157,623.40
  6. Step 6: Final answer
    x = 70,223.10

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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.