Home / 249,618.60-374,427.90-210,106.80

Finding the Fourth Proportional to 249,618.60, 374,427.90 and 210,106.80

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Solution

The fourth proportional to 249,618.60, 374,427.90 and 210,106.80 is: 315,160.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,618.60 : 374,427.90 = 210,106.80 : x
  2. Step 2: Convert to fraction form
    249,618.60/374,427.90 = 210,106.80/x
  3. Step 3: Cross multiply
    249,618.60x = 374,427.90 × 210,106.80
  4. Step 4: Simplify right side
    249,618.60x = 78,669,847,899.72
  5. Step 5: Solve for x
    x = 78,669,847,899.72/249,618.60
  6. Step 6: Final answer
    x = 315,160.20

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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.