Home / 282,744.19-390,186.98-161,925.45

Finding the Fourth Proportional to 282,744.19, 390,186.98 and 161,925.45

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Solution

The fourth proportional to 282,744.19, 390,186.98 and 161,925.45 is: 223,457.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,744.19 : 390,186.98 = 161,925.45 : x
  2. Step 2: Convert to fraction form
    282,744.19/390,186.98 = 161,925.45/x
  3. Step 3: Cross multiply
    282,744.19x = 390,186.98 × 161,925.45
  4. Step 4: Simplify right side
    282,744.19x = 63,181,201,386.63
  5. Step 5: Solve for x
    x = 63,181,201,386.63/282,744.19
  6. Step 6: Final answer
    x = 223,457.12

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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.