Home / 191,224.02-286,825.08-72,907.32

Finding the Fourth Proportional to 191,224.02, 286,825.08 and 72,907.32

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Solution

The fourth proportional to 191,224.02, 286,825.08 and 72,907.32 is: 109,356.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,224.02 : 286,825.08 = 72,907.32 : x
  2. Step 2: Convert to fraction form
    191,224.02/286,825.08 = 72,907.32/x
  3. Step 3: Cross multiply
    191,224.02x = 286,825.08 × 72,907.32
  4. Step 4: Simplify right side
    191,224.02x = 20,911,647,891.59
  5. Step 5: Solve for x
    x = 20,911,647,891.59/191,224.02
  6. Step 6: Final answer
    x = 109,356.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.