Home / 249,360.08-374,088.90-91,589.72

Finding the Fourth Proportional to 249,360.08, 374,088.90 and 91,589.72

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Solution

The fourth proportional to 249,360.08, 374,088.90 and 91,589.72 is: 137,402.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,360.08 : 374,088.90 = 91,589.72 : x
  2. Step 2: Convert to fraction form
    249,360.08/374,088.90 = 91,589.72/x
  3. Step 3: Cross multiply
    249,360.08x = 374,088.90 × 91,589.72
  4. Step 4: Simplify right side
    249,360.08x = 34,262,697,606.11
  5. Step 5: Solve for x
    x = 34,262,697,606.11/249,360.08
  6. Step 6: Final answer
    x = 137,402.50

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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.