Home / 219,042.48-302,271.84-123,547.80

Finding the Fourth Proportional to 219,042.48, 302,271.84 and 123,547.80

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Solution

The fourth proportional to 219,042.48, 302,271.84 and 123,547.80 is: 170,492.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,042.48 : 302,271.84 = 123,547.80 : x
  2. Step 2: Convert to fraction form
    219,042.48/302,271.84 = 123,547.80/x
  3. Step 3: Cross multiply
    219,042.48x = 302,271.84 × 123,547.80
  4. Step 4: Simplify right side
    219,042.48x = 37,345,020,833.95
  5. Step 5: Solve for x
    x = 37,345,020,833.95/219,042.48
  6. Step 6: Final answer
    x = 170,492.14

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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.