Home / 191,514.80-287,272.20-97,036.40

Finding the Fourth Proportional to 191,514.80, 287,272.20 and 97,036.40

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Solution

The fourth proportional to 191,514.80, 287,272.20 and 97,036.40 is: 145,554.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,514.80 : 287,272.20 = 97,036.40 : x
  2. Step 2: Convert to fraction form
    191,514.80/287,272.20 = 97,036.40/x
  3. Step 3: Cross multiply
    191,514.80x = 287,272.20 × 97,036.40
  4. Step 4: Simplify right side
    191,514.80x = 27,875,860,108.08
  5. Step 5: Solve for x
    x = 27,875,860,108.08/191,514.80
  6. Step 6: Final answer
    x = 145,554.60

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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.