Home / 157,038.55-236,412.13-143,088.34

Finding the Fourth Proportional to 157,038.55, 236,412.13 and 143,088.34

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Solution

The fourth proportional to 157,038.55, 236,412.13 and 143,088.34 is: 215,410.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,038.55 : 236,412.13 = 143,088.34 : x
  2. Step 2: Convert to fraction form
    157,038.55/236,412.13 = 143,088.34/x
  3. Step 3: Cross multiply
    157,038.55x = 236,412.13 × 143,088.34
  4. Step 4: Simplify right side
    157,038.55x = 33,827,819,237.56
  5. Step 5: Solve for x
    x = 33,827,819,237.56/157,038.55
  6. Step 6: Final answer
    x = 215,410.92

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.