Home / 157,615.90-236,423.85-98,518.30

Finding the Fourth Proportional to 157,615.90, 236,423.85 and 98,518.30

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Solution

The fourth proportional to 157,615.90, 236,423.85 and 98,518.30 is: 147,777.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,615.90 : 236,423.85 = 98,518.30 : x
  2. Step 2: Convert to fraction form
    157,615.90/236,423.85 = 98,518.30/x
  3. Step 3: Cross multiply
    157,615.90x = 236,423.85 × 98,518.30
  4. Step 4: Simplify right side
    157,615.90x = 23,292,075,781.46
  5. Step 5: Solve for x
    x = 23,292,075,781.46/157,615.90
  6. Step 6: Final answer
    x = 147,777.45

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1.5x scale

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.