Home / 190,470.04-285,705.54-57,350.68

Finding the Fourth Proportional to 190,470.04, 285,705.54 and 57,350.68

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Solution

The fourth proportional to 190,470.04, 285,705.54 and 57,350.68 is: 86,026.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,470.04 : 285,705.54 = 57,350.68 : x
  2. Step 2: Convert to fraction form
    190,470.04/285,705.54 = 57,350.68/x
  3. Step 3: Cross multiply
    190,470.04x = 285,705.54 × 57,350.68
  4. Step 4: Simplify right side
    190,470.04x = 16,385,406,998.77
  5. Step 5: Solve for x
    x = 16,385,406,998.77/190,470.04
  6. Step 6: Final answer
    x = 86,026.16

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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.