Home / 346,464.36-478,111.14-195,575.40

Finding the Fourth Proportional to 346,464.36, 478,111.14 and 195,575.40

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Solution

The fourth proportional to 346,464.36, 478,111.14 and 195,575.40 is: 269,888.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,464.36 : 478,111.14 = 195,575.40 : x
  2. Step 2: Convert to fraction form
    346,464.36/478,111.14 = 195,575.40/x
  3. Step 3: Cross multiply
    346,464.36x = 478,111.14 × 195,575.40
  4. Step 4: Simplify right side
    346,464.36x = 93,506,777,449.96
  5. Step 5: Solve for x
    x = 93,506,777,449.96/346,464.36
  6. Step 6: Final answer
    x = 269,888.59

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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.