Home / 191,200.02-286,806-64,838.40

Finding the Fourth Proportional to 191,200.02, 286,806 and 64,838.40

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Solution

The fourth proportional to 191,200.02, 286,806 and 64,838.40 is: 97,259.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,200.02 : 286,806 = 64,838.40 : x
  2. Step 2: Convert to fraction form
    191,200.02/286,806 = 64,838.40/x
  3. Step 3: Cross multiply
    191,200.02x = 286,806 × 64,838.40
  4. Step 4: Simplify right side
    191,200.02x = 18,596,042,150.40
  5. Step 5: Solve for x
    x = 18,596,042,150.40/191,200.02
  6. Step 6: Final answer
    x = 97,259.62

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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.