Home / 156,510.09-215,812.76-116,298.45

Finding the Fourth Proportional to 156,510.09, 215,812.76 and 116,298.45

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Solution

The fourth proportional to 156,510.09, 215,812.76 and 116,298.45 is: 160,364.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,510.09 : 215,812.76 = 116,298.45 : x
  2. Step 2: Convert to fraction form
    156,510.09/215,812.76 = 116,298.45/x
  3. Step 3: Cross multiply
    156,510.09x = 215,812.76 × 116,298.45
  4. Step 4: Simplify right side
    156,510.09x = 25,098,688,896.73
  5. Step 5: Solve for x
    x = 25,098,688,896.73/156,510.09
  6. Step 6: Final answer
    x = 160,364.67

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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.