Home / 191,012.36-286,601.34-72,717.32

Finding the Fourth Proportional to 191,012.36, 286,601.34 and 72,717.32

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Solution

The fourth proportional to 191,012.36, 286,601.34 and 72,717.32 is: 109,107.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,012.36 : 286,601.34 = 72,717.32 : x
  2. Step 2: Convert to fraction form
    191,012.36/286,601.34 = 72,717.32/x
  3. Step 3: Cross multiply
    191,012.36x = 286,601.34 × 72,717.32
  4. Step 4: Simplify right side
    191,012.36x = 20,840,881,353.21
  5. Step 5: Solve for x
    x = 20,840,881,353.21/191,012.36
  6. Step 6: Final answer
    x = 109,107.50

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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.