Home / 340,851.16-470,365.18-189,944.28

Finding the Fourth Proportional to 340,851.16, 470,365.18 and 189,944.28

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Solution

The fourth proportional to 340,851.16, 470,365.18 and 189,944.28 is: 262,117.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,851.16 : 470,365.18 = 189,944.28 : x
  2. Step 2: Convert to fraction form
    340,851.16/470,365.18 = 189,944.28/x
  3. Step 3: Cross multiply
    340,851.16x = 470,365.18 × 189,944.28
  4. Step 4: Simplify right side
    340,851.16x = 89,343,175,452.17
  5. Step 5: Solve for x
    x = 89,343,175,452.17/340,851.16
  6. Step 6: Final answer
    x = 262,117.86

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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.