Home / 190,210.90-262,445.98-112,647.38

Finding the Fourth Proportional to 190,210.90, 262,445.98 and 112,647.38

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Solution

The fourth proportional to 190,210.90, 262,445.98 and 112,647.38 is: 155,426.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,210.90 : 262,445.98 = 112,647.38 : x
  2. Step 2: Convert to fraction form
    190,210.90/262,445.98 = 112,647.38/x
  3. Step 3: Cross multiply
    190,210.90x = 262,445.98 × 112,647.38
  4. Step 4: Simplify right side
    190,210.90x = 29,563,852,038.53
  5. Step 5: Solve for x
    x = 29,563,852,038.53/190,210.90
  6. Step 6: Final answer
    x = 155,426.70

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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.