Home / 157,541.90-236,402.75-57,688.88

Finding the Fourth Proportional to 157,541.90, 236,402.75 and 57,688.88

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Solution

The fourth proportional to 157,541.90, 236,402.75 and 57,688.88 is: 86,566.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,541.90 : 236,402.75 = 57,688.88 : x
  2. Step 2: Convert to fraction form
    157,541.90/236,402.75 = 57,688.88/x
  3. Step 3: Cross multiply
    157,541.90x = 236,402.75 × 57,688.88
  4. Step 4: Simplify right side
    157,541.90x = 13,637,808,838.63
  5. Step 5: Solve for x
    x = 13,637,808,838.63/157,541.90
  6. Step 6: Final answer
    x = 86,566.24

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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.