Home / 212,263.96-292,897.58-143,502.95

Finding the Fourth Proportional to 212,263.96, 292,897.58 and 143,502.95

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Solution

The fourth proportional to 212,263.96, 292,897.58 and 143,502.95 is: 198,016.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,263.96 : 292,897.58 = 143,502.95 : x
  2. Step 2: Convert to fraction form
    212,263.96/292,897.58 = 143,502.95/x
  3. Step 3: Cross multiply
    212,263.96x = 292,897.58 × 143,502.95
  4. Step 4: Simplify right side
    212,263.96x = 42,031,666,777.86
  5. Step 5: Solve for x
    x = 42,031,666,777.86/212,263.96
  6. Step 6: Final answer
    x = 198,016.03

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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.