Home / 313,332.48-432,405.66-190,830.64

Finding the Fourth Proportional to 313,332.48, 432,405.66 and 190,830.64

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Solution

The fourth proportional to 313,332.48, 432,405.66 and 190,830.64 is: 263,350.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,332.48 : 432,405.66 = 190,830.64 : x
  2. Step 2: Convert to fraction form
    313,332.48/432,405.66 = 190,830.64/x
  3. Step 3: Cross multiply
    313,332.48x = 432,405.66 × 190,830.64
  4. Step 4: Simplify right side
    313,332.48x = 82,516,248,837.42
  5. Step 5: Solve for x
    x = 82,516,248,837.42/313,332.48
  6. Step 6: Final answer
    x = 263,350.45

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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.