Home / 349,621.80-524,432.70-139,151.40

Finding the Fourth Proportional to 349,621.80, 524,432.70 and 139,151.40

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Solution

The fourth proportional to 349,621.80, 524,432.70 and 139,151.40 is: 208,727.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,621.80 : 524,432.70 = 139,151.40 : x
  2. Step 2: Convert to fraction form
    349,621.80/524,432.70 = 139,151.40/x
  3. Step 3: Cross multiply
    349,621.80x = 524,432.70 × 139,151.40
  4. Step 4: Simplify right side
    349,621.80x = 72,975,544,410.78
  5. Step 5: Solve for x
    x = 72,975,544,410.78/349,621.80
  6. Step 6: Final answer
    x = 208,727.10

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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.