Home / 161,705.04-223,153.08-90,085.23

Finding the Fourth Proportional to 161,705.04, 223,153.08 and 90,085.23

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Solution

The fourth proportional to 161,705.04, 223,153.08 and 90,085.23 is: 124,317.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,705.04 : 223,153.08 = 90,085.23 : x
  2. Step 2: Convert to fraction form
    161,705.04/223,153.08 = 90,085.23/x
  3. Step 3: Cross multiply
    161,705.04x = 223,153.08 × 90,085.23
  4. Step 4: Simplify right side
    161,705.04x = 20,102,796,537.01
  5. Step 5: Solve for x
    x = 20,102,796,537.01/161,705.04
  6. Step 6: Final answer
    x = 124,317.69

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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.