Home / 157,532.10-236,333.40-57,690.30

Finding the Fourth Proportional to 157,532.10, 236,333.40 and 57,690.30

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Solution

The fourth proportional to 157,532.10, 236,333.40 and 57,690.30 is: 86,548.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,532.10 : 236,333.40 = 57,690.30 : x
  2. Step 2: Convert to fraction form
    157,532.10/236,333.40 = 57,690.30/x
  3. Step 3: Cross multiply
    157,532.10x = 236,333.40 × 57,690.30
  4. Step 4: Simplify right side
    157,532.10x = 13,634,144,746.02
  5. Step 5: Solve for x
    x = 13,634,144,746.02/157,532.10
  6. Step 6: Final answer
    x = 86,548.36

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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.