Home / 346,922.16-478,746.36-196,015.92

Finding the Fourth Proportional to 346,922.16, 478,746.36 and 196,015.92

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Solution

The fourth proportional to 346,922.16, 478,746.36 and 196,015.92 is: 270,498.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,922.16 : 478,746.36 = 196,015.92 : x
  2. Step 2: Convert to fraction form
    346,922.16/478,746.36 = 196,015.92/x
  3. Step 3: Cross multiply
    346,922.16x = 478,746.36 × 196,015.92
  4. Step 4: Simplify right side
    346,922.16x = 93,841,908,202.05
  5. Step 5: Solve for x
    x = 93,841,908,202.05/346,922.16
  6. Step 6: Final answer
    x = 270,498.45

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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.