Home / 340,214.40-510,330-162,740.16

Finding the Fourth Proportional to 340,214.40, 510,330 and 162,740.16

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Solution

The fourth proportional to 340,214.40, 510,330 and 162,740.16 is: 244,114.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,214.40 : 510,330 = 162,740.16 : x
  2. Step 2: Convert to fraction form
    340,214.40/510,330 = 162,740.16/x
  3. Step 3: Cross multiply
    340,214.40x = 510,330 × 162,740.16
  4. Step 4: Simplify right side
    340,214.40x = 83,051,185,852.80
  5. Step 5: Solve for x
    x = 83,051,185,852.80/340,214.40
  6. Step 6: Final answer
    x = 244,114.26

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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.