Home / 190,820.07-286,263.05-64,461.22

Finding the Fourth Proportional to 190,820.07, 286,263.05 and 64,461.22

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Solution

The fourth proportional to 190,820.07, 286,263.05 and 64,461.22 is: 96,702.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,820.07 : 286,263.05 = 64,461.22 : x
  2. Step 2: Convert to fraction form
    190,820.07/286,263.05 = 64,461.22/x
  3. Step 3: Cross multiply
    190,820.07x = 286,263.05 × 64,461.22
  4. Step 4: Simplify right side
    190,820.07x = 18,452,864,405.96
  5. Step 5: Solve for x
    x = 18,452,864,405.96/190,820.07
  6. Step 6: Final answer
    x = 96,702.95

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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.