Home / 187,783.04-259,140.56-112,349.28

Finding the Fourth Proportional to 187,783.04, 259,140.56 and 112,349.28

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Solution

The fourth proportional to 187,783.04, 259,140.56 and 112,349.28 is: 155,041.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,783.04 : 259,140.56 = 112,349.28 : x
  2. Step 2: Convert to fraction form
    187,783.04/259,140.56 = 112,349.28/x
  3. Step 3: Cross multiply
    187,783.04x = 259,140.56 × 112,349.28
  4. Step 4: Simplify right side
    187,783.04x = 29,114,255,334.80
  5. Step 5: Solve for x
    x = 29,114,255,334.80/187,783.04
  6. Step 6: Final answer
    x = 155,041.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.