Home / 193,277.80-289,916.70-98,799.40

Finding the Fourth Proportional to 193,277.80, 289,916.70 and 98,799.40

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Solution

The fourth proportional to 193,277.80, 289,916.70 and 98,799.40 is: 148,199.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,277.80 : 289,916.70 = 98,799.40 : x
  2. Step 2: Convert to fraction form
    193,277.80/289,916.70 = 98,799.40/x
  3. Step 3: Cross multiply
    193,277.80x = 289,916.70 × 98,799.40
  4. Step 4: Simplify right side
    193,277.80x = 28,643,596,009.98
  5. Step 5: Solve for x
    x = 28,643,596,009.98/193,277.80
  6. Step 6: Final answer
    x = 148,199.10

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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.