Home / 191,248.02-286,881.39-72,897.30

Finding the Fourth Proportional to 191,248.02, 286,881.39 and 72,897.30

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Solution

The fourth proportional to 191,248.02, 286,881.39 and 72,897.30 is: 109,349.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,248.02 : 286,881.39 = 72,897.30 : x
  2. Step 2: Convert to fraction form
    191,248.02/286,881.39 = 72,897.30/x
  3. Step 3: Cross multiply
    191,248.02x = 286,881.39 × 72,897.30
  4. Step 4: Simplify right side
    191,248.02x = 20,912,878,751.25
  5. Step 5: Solve for x
    x = 20,912,878,751.25/191,248.02
  6. Step 6: Final answer
    x = 109,349.52

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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.