Home / 353,990.23-530,666.51-129,192.93

Finding the Fourth Proportional to 353,990.23, 530,666.51 and 129,192.93

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Solution

The fourth proportional to 353,990.23, 530,666.51 and 129,192.93 is: 193,673.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,990.23 : 530,666.51 = 129,192.93 : x
  2. Step 2: Convert to fraction form
    353,990.23/530,666.51 = 129,192.93/x
  3. Step 3: Cross multiply
    353,990.23x = 530,666.51 × 129,192.93
  4. Step 4: Simplify right side
    353,990.23x = 68,558,360,633.81
  5. Step 5: Solve for x
    x = 68,558,360,633.81/353,990.23
  6. Step 6: Final answer
    x = 193,673.03

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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.