Home / 356,530.07-492,011.91-193,186.45

Finding the Fourth Proportional to 356,530.07, 492,011.91 and 193,186.45

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Solution

The fourth proportional to 356,530.07, 492,011.91 and 193,186.45 is: 266,597.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,530.07 : 492,011.91 = 193,186.45 : x
  2. Step 2: Convert to fraction form
    356,530.07/492,011.91 = 193,186.45/x
  3. Step 3: Cross multiply
    356,530.07x = 492,011.91 × 193,186.45
  4. Step 4: Simplify right side
    356,530.07x = 95,050,035,590.08
  5. Step 5: Solve for x
    x = 95,050,035,590.08/356,530.07
  6. Step 6: Final answer
    x = 266,597.53

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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.