Home / 256,178.04-353,505.77-148,756.10

Finding the Fourth Proportional to 256,178.04, 353,505.77 and 148,756.10

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Solution

The fourth proportional to 256,178.04, 353,505.77 and 148,756.10 is: 205,271.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,178.04 : 353,505.77 = 148,756.10 : x
  2. Step 2: Convert to fraction form
    256,178.04/353,505.77 = 148,756.10/x
  3. Step 3: Cross multiply
    256,178.04x = 353,505.77 × 148,756.10
  4. Step 4: Simplify right side
    256,178.04x = 52,586,137,719.22
  5. Step 5: Solve for x
    x = 52,586,137,719.22/256,178.04
  6. Step 6: Final answer
    x = 205,271.84

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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.