Home / 286,938.99-395,973.95-157,885.34

Finding the Fourth Proportional to 286,938.99, 395,973.95 and 157,885.34

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Solution

The fourth proportional to 286,938.99, 395,973.95 and 157,885.34 is: 217,880.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,938.99 : 395,973.95 = 157,885.34 : x
  2. Step 2: Convert to fraction form
    286,938.99/395,973.95 = 157,885.34/x
  3. Step 3: Cross multiply
    286,938.99x = 395,973.95 × 157,885.34
  4. Step 4: Simplify right side
    286,938.99x = 62,518,478,957.60
  5. Step 5: Solve for x
    x = 62,518,478,957.60/286,938.99
  6. Step 6: Final answer
    x = 217,880.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.