Home / 353,023.15-487,172.06-191,878.24

Finding the Fourth Proportional to 353,023.15, 487,172.06 and 191,878.24

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Solution

The fourth proportional to 353,023.15, 487,172.06 and 191,878.24 is: 264,792.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,023.15 : 487,172.06 = 191,878.24 : x
  2. Step 2: Convert to fraction form
    353,023.15/487,172.06 = 191,878.24/x
  3. Step 3: Cross multiply
    353,023.15x = 487,172.06 × 191,878.24
  4. Step 4: Simplify right side
    353,023.15x = 93,477,716,490.58
  5. Step 5: Solve for x
    x = 93,477,716,490.58/353,023.15
  6. Step 6: Final answer
    x = 264,792.03

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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.