Home / 191,729.95-264,598.88-105,688.81

Finding the Fourth Proportional to 191,729.95, 264,598.88 and 105,688.81

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Solution

The fourth proportional to 191,729.95, 264,598.88 and 105,688.81 is: 145,856.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,729.95 : 264,598.88 = 105,688.81 : x
  2. Step 2: Convert to fraction form
    191,729.95/264,598.88 = 105,688.81/x
  3. Step 3: Cross multiply
    191,729.95x = 264,598.88 × 105,688.81
  4. Step 4: Simplify right side
    191,729.95x = 27,965,140,754.53
  5. Step 5: Solve for x
    x = 27,965,140,754.53/191,729.95
  6. Step 6: Final answer
    x = 145,856.92

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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.